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William Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oconee-County, South Carolina
Our Model Tree links this William Brock across the 1930 and 1940 US Censuses in Oconee-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oconee-County, South Carolina |
| Surname | Brock |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Tugaloo Township |
| 1935 Residence (County) | Oconee |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Tugaloo Township |
| Est. Birth Year | ~1925 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Aline Brock | Daughter | — | 17 | ~1923 |
| Helen Brock | Daughter | — | 13 | ~1927 |
| Austin Brock | Son | — | 9 | ~1931 |
| Nellie Brock | Spouse | — | 39 | ~1901 |
| William Brock | Son | — | 15 | ~1925 |
| Ruby Brock | Daughter | — | 11 | ~1929 |
| Gary Brock | Head | — | 39 | ~1901 |
| Frank Brock | Son | — | 7 | ~1933 |
Census Appearances
1930
Oconee, South …
Son, age 5
Oconee, South Carolina · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Oconee-County, South …
Son, age 15
Oconee-County, South Carolina · implied b. ~1925 — 8 household members
| Surname | Brock |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Tugaloo Township |
| 1935 Residence (County) | Oconee |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Brock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Brock
Son · 1940 · age 15 · b. ~1925 · South Carolina
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Sibling
Austin Brock
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Brock
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Brock
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Brock
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aline Brock
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oconee-County, South Carolina
Open full size
1940 US Federal Census — Oconee-County, South Carolina
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-03828-00670)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | T. D. Leopard | 20 | Son | — | South Carolina |
| 42 | Edna Leopard | 16 | Daughter | — | South Carolina |
| 43 | Barnett Leopard | 10 | Granddaughter | — | South Carolina |
| 44 | William Leopard | 10 | Granddaughter | — | South Carolina |
| 45 | Gary Brock | 39 | Head | Farmer | South Carolina |
| 46 | Nellie Brock | 39 | Wife | — | South Carolina |
| 47 | Aline Brock | 17 | Daughter | — | South Carolina |
| 48 | William Brock THIS PERSON | 15 | Son | — | South Carolina |
| 49 | Helen Brock | 13 | Daughter | — | South Carolina |
| 50 | Ruby Brock | 11 | Daughter | — | South Carolina |
| 51 | Austin Brock | 9 | Son | — | South Carolina |
| 52 | Frank Brock | 7 | Son | — | South Carolina |
| 53 | Henry Cox | 60 | Head | Farmer | South Carolina |
| 54 | Savanah Cox | 56 | Wife | — | South Carolina |
| 55 | Clara Cox | 31 | Daughter | House Keeping | South Carolina |
| 56 | Lucille Cox | 25 | Daughter | Helper | South Carolina |
| 57 | Leola Mae Cox | 18 | Daughter | Helper | South Carolina |
| 58 | Lelan Cox | 16 | Son | — | South Carolina |
| 59 | Louise Cox | 13 | Daughter | — | South Carolina |
| 60 | J. L. Cox | 20 | Head | Truck Driver | South Carolina |
| 61 | Alma Cox | 18 | Wife | — | South Carolina |
| 62 | Ruth Cox | 1 | Daughter | — | South Carolina |
| 63 | Nelson Stewart | 38 | Head | Farmer | South Carolina |
| 64 | Mattie Stewart | 35 | Wife | — | South Carolina |
| 65 | Louise Stewart | 14 | Daughter | — | South Carolina |
| 66 | Sarah Stewart | 11 | Daughter | — | South Carolina |
| 67 | Raymon Stewart | 9 | Son | — | South Carolina |
| 68 | Guynell Stewart | 6 | Daughter | — | South Carolina |
| 69 | Gladys Stewart | 3 | Daughter | — | South Carolina |
| 70 | George Stewart | 1 | Son | — | South Carolina |
| 71 | Martha Bryant | 69 | Mother-in-law | — | South Carolina |
| 72 | Mary C. Jones | 52 | Head | — | South Carolina |
| 73 | Leonie Long | 19 | Lodger | Child Nurse | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)